package com.itheima.reggie.service;

import com.itheima.reggie.entity.ShoppingCart;

import java.util.List;

public interface ShoppingCartService {
    List<ShoppingCart> selectListById(Long userId);

    void saveCart(ShoppingCart shoppingCart);

    void subCart(Long setmealId, Long dishId);

    void cleanAllCart(Long userId);

}
